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Network Functions

Table of Contents

• checkdnsrr — Check DNS records corresponding to a given Internet host name or IP address
• closelog — Close connection to system logger
• define_syslog_variables — Initializes all syslog related variables
• dns_check_record — Alias of checkdnsrr
• dns_get_mx — Alias of getmxrr
• dns_get_record — Fetch DNS Resource Records associated with a hostname
• fsockopen — Open Internet or Unix domain socket connection
• gethostbyaddr — Get the Internet host name corresponding to a given IP address
• gethostbyname — Get the IPv4 address corresponding to a given Internet host name
• gethostbynamel — Get a list of IPv4 addresses corresponding to a given Internet host name
• gethostname — Gets the host name
• getmxrr — Get MX records corresponding to a given Internet host name
• getprotobyname — Get protocol number associated with protocol name
• getprotobynumber — Get protocol name associated with protocol number
• getservbyname — Get port number associated with an Internet service and protocol
• getservbyport — Get Internet service which corresponds to port and protocol
• header_register_callback — Call a header function
• header_remove — Remove previously set headers
• header — Send a raw HTTP header
• headers_list — Returns a list of response headers sent (or ready to send)
• headers_sent — Checks if or where headers have been sent
• http_response_code — Get or Set the HTTP response code
• inet_ntop — Converts a packed internet address to a human readable representation
• inet_pton — Converts a human readable IP address to its packed in_addr representation
• ip2long — Converts a string containing an (IPv4) Internet Protocol dotted address into a long integer
• long2ip — Converts an long integer address into a string in (IPv4) Internet standard dotted format
• openlog — Open connection to system logger
• pfsockopen — Open persistent Internet or Unix domain socket connection
• setcookie — Send a cookie
• setrawcookie — Send a cookie without urlencoding the cookie value
• socket_get_status — Alias of stream_get_meta_data
• socket_set_blocking — Alias of stream_set_blocking
• socket_set_timeout — Alias of stream_set_timeout
• syslog — Generate a system log message